Finding the Fourth Proportional to 9,168.05, 13,720.91 and 5,660.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.05 : 13,720.91 = 5,660.27 : x
2. Step 2: Convert to fraction form
   9,168.05/13,720.91 = 5,660.27/x
3. Step 3: Cross multiply
   9,168.05x = 13,720.91 × 5,660.27
4. Step 4: Simplify right side
   9,168.05x = 77,663,958.34
5. Step 5: Solve for x
   x = 77,663,958.34/9,168.05
6. Step 6: Final answer
   x = 8,471.16